package demo1;

/**
 * @Author liangzai
 * @Description:
 */
public class Keybored implements Usb{
    public void openDevice(){
        System.out.println("打开键盘");
    }

    public void closeDevice(){
        System.out.println("关闭键盘");
    }

    public void cilk(){
        System.out.println("键盘打字");
    }
}
